/*
 * @Description: 
 * @Author: 于海龙
 * @Date: 2024-09-25 17:22:25
 * @LastEditors: 于海龙
 * @LastEditTime: 2024-09-27 08:33:39
 */
abstract class ID {
    String name;
}
 ID(String name) {
        this.name = name;
    }